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Duckstation/dep/libFLAC/src/lpc_intrin_sse41.c

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dep: Add libFLAC 1.3.3
2020-01-30 05:48:22 +00:00
/* libFLAC - Free Lossless Audio Codec library
* Copyright (C) 2000-2009 Josh Coalson
* Copyright (C) 2011-2016 Xiph.Org Foundation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Xiph.org Foundation nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "private/cpu.h"
#ifndef FLAC__INTEGER_ONLY_LIBRARY
#ifndef FLAC__NO_ASM
#if (defined FLAC__CPU_IA32 || defined FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN
#include "private/lpc.h"
#ifdef FLAC__SSE4_1_SUPPORTED
#include "FLAC/assert.h"
#include "FLAC/format.h"
#include <smmintrin.h> /* SSE4.1 */
#if defined FLAC__CPU_IA32 /* unused for x64 */
#define RESIDUAL64_RESULT(xmmN) residual[i] = data[i] - _mm_cvtsi128_si32(_mm_srl_epi64(xmmN, cnt))
#define RESIDUAL64_RESULT1(xmmN) residual[i] = data[i] - _mm_cvtsi128_si32(_mm_srli_epi64(xmmN, lp_quantization))
FLAC__SSE_TARGET("sse4.1")
void FLAC__lpc_compute_residual_from_qlp_coefficients_wide_intrin_sse41(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[])
{
int i;
const __m128i cnt = _mm_cvtsi32_si128(lp_quantization);
FLAC__ASSERT(order > 0);
FLAC__ASSERT(order <= 32);
FLAC__ASSERT(lp_quantization <= 32); /* there's no _mm_sra_epi64() so we have to use _mm_srl_epi64() */
if(order <= 12) {
if(order > 8) { /* order == 9, 10, 11, 12 */
if(order > 10) { /* order == 11, 12 */
if(order == 12) {
__m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7;
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0)); // 0 0 q[1] q[0]
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2)); // 0 0 q[3] q[2]
xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4)); // 0 0 q[5] q[4]
xmm3 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+6)); // 0 0 q[7] q[6]
xmm4 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+8)); // 0 0 q[9] q[8]
xmm5 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+10)); // 0 0 q[11] q[10]
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0)); // 0 q[1] 0 q[0]
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0)); // 0 q[3] 0 q[2]
xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0)); // 0 q[5] 0 q[4]
xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0)); // 0 q[7] 0 q[6]
xmm4 = _mm_shuffle_epi32(xmm4, _MM_SHUFFLE(3,1,2,0)); // 0 q[9] 0 q[8]
xmm5 = _mm_shuffle_epi32(xmm5, _MM_SHUFFLE(3,1,2,0)); // 0 q[11] 0 q[10]
for(i = 0; i < (int)data_len; i++) {
//sum = 0;
//sum += qlp_coeff[11] * (FLAC__int64)data[i-12];
//sum += qlp_coeff[10] * (FLAC__int64)data[i-11];
xmm7 = _mm_loadl_epi64((const __m128i*)(data+i-12)); // 0 0 d[i-11] d[i-12]
xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1)); // 0 d[i-12] 0 d[i-11]
xmm7 = _mm_mul_epi32(xmm7, xmm5);
//sum += qlp_coeff[9] * (FLAC__int64)data[i-10];
//sum += qlp_coeff[8] * (FLAC__int64)data[i-9];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-10));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epi32(xmm6, xmm4);
xmm7 = _mm_add_epi64(xmm7, xmm6);
//sum += qlp_coeff[7] * (FLAC__int64)data[i-8];
//sum += qlp_coeff[6] * (FLAC__int64)data[i-7];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-8));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epi32(xmm6, xmm3);
xmm7 = _mm_add_epi64(xmm7, xmm6);
//sum += qlp_coeff[5] * (FLAC__int64)data[i-6];
//sum += qlp_coeff[4] * (FLAC__int64)data[i-5];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-6));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epi32(xmm6, xmm2);
xmm7 = _mm_add_epi64(xmm7, xmm6);
//sum += qlp_coeff[3] * (FLAC__int64)data[i-4];
//sum += qlp_coeff[2] * (FLAC__int64)data[i-3];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epi32(xmm6, xmm1);
xmm7 = _mm_add_epi64(xmm7, xmm6);
//sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
//sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epi32(xmm6, xmm0);
xmm7 = _mm_add_epi64(xmm7, xmm6);
xmm7 = _mm_add_epi64(xmm7, _mm_srli_si128(xmm7, 8));
RESIDUAL64_RESULT1(xmm7);
}
}
else { /* order == 11 */
__m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7;
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
xmm3 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+6));
xmm4 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+8));
xmm5 = _mm_cvtsi32_si128(qlp_coeff[10]);
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0));
xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0));
xmm4 = _mm_shuffle_epi32(xmm4, _MM_SHUFFLE(3,1,2,0));
for(i = 0; i < (int)data_len; i++) {
//sum = 0;
//sum = qlp_coeff[10] * (FLAC__int64)data[i-11];
xmm7 = _mm_cvtsi32_si128(data[i-11]);
xmm7 = _mm_mul_epi32(xmm7, xmm5);
//sum += qlp_coeff[9] * (FLAC__int64)data[i-10];
//sum += qlp_coeff[8] * (FLAC__int64)data[i-9];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-10));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epi32(xmm6, xmm4);
xmm7 = _mm_add_epi64(xmm7, xmm6);
//sum += qlp_coeff[7] * (FLAC__int64)data[i-8];
//sum += qlp_coeff[6] * (FLAC__int64)data[i-7];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-8));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epi32(xmm6, xmm3);
xmm7 = _mm_add_epi64(xmm7, xmm6);
//sum += qlp_coeff[5] * (FLAC__int64)data[i-6];
//sum += qlp_coeff[4] * (FLAC__int64)data[i-5];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-6));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epi32(xmm6, xmm2);
xmm7 = _mm_add_epi64(xmm7, xmm6);
//sum += qlp_coeff[3] * (FLAC__int64)data[i-4];
//sum += qlp_coeff[2] * (FLAC__int64)data[i-3];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epi32(xmm6, xmm1);
xmm7 = _mm_add_epi64(xmm7, xmm6);
//sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
//sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epi32(xmm6, xmm0);
xmm7 = _mm_add_epi64(xmm7, xmm6);
xmm7 = _mm_add_epi64(xmm7, _mm_srli_si128(xmm7, 8));
RESIDUAL64_RESULT1(xmm7);
}
}
}
else { /* order == 9, 10 */
if(order == 10) {
__m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm6, xmm7;
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
xmm3 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+6));
xmm4 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+8));
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0));
xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0));
xmm4 = _mm_shuffle_epi32(xmm4, _MM_SHUFFLE(3,1,2,0));
for(i = 0; i < (int)data_len; i++) {
//sum = 0;
//sum += qlp_coeff[9] * (FLAC__int64)data[i-10];
//sum += qlp_coeff[8] * (FLAC__int64)data[i-9];
xmm7 = _mm_loadl_epi64((const __m128i*)(data+i-10));
xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1));
xmm7 = _mm_mul_epi32(xmm7, xmm4);
//sum += qlp_coeff[7] * (FLAC__int64)data[i-8];
//sum += qlp_coeff[6] * (FLAC__int64)data[i-7];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-8));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epi32(xmm6, xmm3);
xmm7 = _mm_add_epi64(xmm7, xmm6);
//sum += qlp_coeff[5] * (FLAC__int64)data[i-6];
//sum += qlp_coeff[4] * (FLAC__int64)data[i-5];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-6));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epi32(xmm6, xmm2);
xmm7 = _mm_add_epi64(xmm7, xmm6);
//sum += qlp_coeff[3] * (FLAC__int64)data[i-4];
//sum += qlp_coeff[2] * (FLAC__int64)data[i-3];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epi32(xmm6, xmm1);
xmm7 = _mm_add_epi64(xmm7, xmm6);
//sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
//sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epi32(xmm6, xmm0);
xmm7 = _mm_add_epi64(xmm7, xmm6);
xmm7 = _mm_add_epi64(xmm7, _mm_srli_si128(xmm7, 8));
RESIDUAL64_RESULT(xmm7);
}
}
else { /* order == 9 */
__m128i xmm0, xmm1, xmm2, xmm3, xmm4, xmm6, xmm7;
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
xmm3 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+6));
xmm4 = _mm_cvtsi32_si128(qlp_coeff[8]);
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0));
xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0));
for(i = 0; i < (int)data_len; i++) {
//sum = 0;
//sum = qlp_coeff[8] * (FLAC__int64)data[i-9];
xmm7 = _mm_cvtsi32_si128(data[i-9]);
xmm7 = _mm_mul_epi32(xmm7, xmm4);
//sum += qlp_coeff[7] * (FLAC__int64)data[i-8];
//sum += qlp_coeff[6] * (FLAC__int64)data[i-7];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-8));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epi32(xmm6, xmm3);
xmm7 = _mm_add_epi64(xmm7, xmm6);
//sum += qlp_coeff[5] * (FLAC__int64)data[i-6];
//sum += qlp_coeff[4] * (FLAC__int64)data[i-5];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-6));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epi32(xmm6, xmm2);
xmm7 = _mm_add_epi64(xmm7, xmm6);
//sum += qlp_coeff[3] * (FLAC__int64)data[i-4];
//sum += qlp_coeff[2] * (FLAC__int64)data[i-3];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epi32(xmm6, xmm1);
xmm7 = _mm_add_epi64(xmm7, xmm6);
//sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
//sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epi32(xmm6, xmm0);
xmm7 = _mm_add_epi64(xmm7, xmm6);
xmm7 = _mm_add_epi64(xmm7, _mm_srli_si128(xmm7, 8));
RESIDUAL64_RESULT(xmm7);
}
}
}
}
else if(order > 4) { /* order == 5, 6, 7, 8 */
if(order > 6) { /* order == 7, 8 */
if(order == 8) {
__m128i xmm0, xmm1, xmm2, xmm3, xmm6, xmm7;
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
xmm3 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+6));
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0));
xmm3 = _mm_shuffle_epi32(xmm3, _MM_SHUFFLE(3,1,2,0));
for(i = 0; i < (int)data_len; i++) {
//sum = 0;
//sum += qlp_coeff[7] * (FLAC__int64)data[i-8];
//sum += qlp_coeff[6] * (FLAC__int64)data[i-7];
xmm7 = _mm_loadl_epi64((const __m128i*)(data+i-8));
xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1));
xmm7 = _mm_mul_epi32(xmm7, xmm3);
//sum += qlp_coeff[5] * (FLAC__int64)data[i-6];
//sum += qlp_coeff[4] * (FLAC__int64)data[i-5];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-6));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epi32(xmm6, xmm2);
xmm7 = _mm_add_epi64(xmm7, xmm6);
//sum += qlp_coeff[3] * (FLAC__int64)data[i-4];
//sum += qlp_coeff[2] * (FLAC__int64)data[i-3];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epi32(xmm6, xmm1);
xmm7 = _mm_add_epi64(xmm7, xmm6);
//sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
//sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epi32(xmm6, xmm0);
xmm7 = _mm_add_epi64(xmm7, xmm6);
xmm7 = _mm_add_epi64(xmm7, _mm_srli_si128(xmm7, 8));
RESIDUAL64_RESULT(xmm7);
}
}
else { /* order == 7 */
__m128i xmm0, xmm1, xmm2, xmm3, xmm6, xmm7;
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
xmm3 = _mm_cvtsi32_si128(qlp_coeff[6]);
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0));
for(i = 0; i < (int)data_len; i++) {
//sum = 0;
//sum = qlp_coeff[6] * (FLAC__int64)data[i-7];
xmm7 = _mm_cvtsi32_si128(data[i-7]);
xmm7 = _mm_mul_epi32(xmm7, xmm3);
//sum += qlp_coeff[5] * (FLAC__int64)data[i-6];
//sum += qlp_coeff[4] * (FLAC__int64)data[i-5];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-6));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epi32(xmm6, xmm2);
xmm7 = _mm_add_epi64(xmm7, xmm6);
//sum += qlp_coeff[3] * (FLAC__int64)data[i-4];
//sum += qlp_coeff[2] * (FLAC__int64)data[i-3];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epi32(xmm6, xmm1);
xmm7 = _mm_add_epi64(xmm7, xmm6);
//sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
//sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epi32(xmm6, xmm0);
xmm7 = _mm_add_epi64(xmm7, xmm6);
xmm7 = _mm_add_epi64(xmm7, _mm_srli_si128(xmm7, 8));
RESIDUAL64_RESULT(xmm7);
}
}
}
else { /* order == 5, 6 */
if(order == 6) {
__m128i xmm0, xmm1, xmm2, xmm6, xmm7;
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
xmm2 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+4));
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
xmm2 = _mm_shuffle_epi32(xmm2, _MM_SHUFFLE(3,1,2,0));
for(i = 0; i < (int)data_len; i++) {
//sum = 0;
//sum += qlp_coeff[5] * (FLAC__int64)data[i-6];
//sum += qlp_coeff[4] * (FLAC__int64)data[i-5];
xmm7 = _mm_loadl_epi64((const __m128i*)(data+i-6));
xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1));
xmm7 = _mm_mul_epi32(xmm7, xmm2);
//sum += qlp_coeff[3] * (FLAC__int64)data[i-4];
//sum += qlp_coeff[2] * (FLAC__int64)data[i-3];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epi32(xmm6, xmm1);
xmm7 = _mm_add_epi64(xmm7, xmm6);
//sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
//sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epi32(xmm6, xmm0);
xmm7 = _mm_add_epi64(xmm7, xmm6);
xmm7 = _mm_add_epi64(xmm7, _mm_srli_si128(xmm7, 8));
RESIDUAL64_RESULT(xmm7);
}
}
else { /* order == 5 */
__m128i xmm0, xmm1, xmm2, xmm6, xmm7;
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
xmm2 = _mm_cvtsi32_si128(qlp_coeff[4]);
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
for(i = 0; i < (int)data_len; i++) {
//sum = 0;
//sum = qlp_coeff[4] * (FLAC__int64)data[i-5];
xmm7 = _mm_cvtsi32_si128(data[i-5]);
xmm7 = _mm_mul_epi32(xmm7, xmm2);
//sum += qlp_coeff[3] * (FLAC__int64)data[i-4];
//sum += qlp_coeff[2] * (FLAC__int64)data[i-3];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-4));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epi32(xmm6, xmm1);
xmm7 = _mm_add_epi64(xmm7, xmm6);
//sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
//sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epi32(xmm6, xmm0);
xmm7 = _mm_add_epi64(xmm7, xmm6);
xmm7 = _mm_add_epi64(xmm7, _mm_srli_si128(xmm7, 8));
RESIDUAL64_RESULT(xmm7);
}
}
}
}
else { /* order == 1, 2, 3, 4 */
if(order > 2) { /* order == 3, 4 */
if(order == 4) {
__m128i xmm0, xmm1, xmm6, xmm7;
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
xmm1 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+2));
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
xmm1 = _mm_shuffle_epi32(xmm1, _MM_SHUFFLE(3,1,2,0));
for(i = 0; i < (int)data_len; i++) {
//sum = 0;
//sum += qlp_coeff[3] * (FLAC__int64)data[i-4];
//sum += qlp_coeff[2] * (FLAC__int64)data[i-3];
xmm7 = _mm_loadl_epi64((const __m128i*)(data+i-4));
xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1));
xmm7 = _mm_mul_epi32(xmm7, xmm1);
//sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
//sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epi32(xmm6, xmm0);
xmm7 = _mm_add_epi64(xmm7, xmm6);
xmm7 = _mm_add_epi64(xmm7, _mm_srli_si128(xmm7, 8));
RESIDUAL64_RESULT(xmm7);
}
}
else { /* order == 3 */
__m128i xmm0, xmm1, xmm6, xmm7;
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
xmm1 = _mm_cvtsi32_si128(qlp_coeff[2]);
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
for(i = 0; i < (int)data_len; i++) {
//sum = 0;
//sum = qlp_coeff[2] * (FLAC__int64)data[i-3];
xmm7 = _mm_cvtsi32_si128(data[i-3]);
xmm7 = _mm_mul_epi32(xmm7, xmm1);
//sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
//sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
xmm6 = _mm_loadl_epi64((const __m128i*)(data+i-2));
xmm6 = _mm_shuffle_epi32(xmm6, _MM_SHUFFLE(2,0,3,1));
xmm6 = _mm_mul_epi32(xmm6, xmm0);
xmm7 = _mm_add_epi64(xmm7, xmm6);
xmm7 = _mm_add_epi64(xmm7, _mm_srli_si128(xmm7, 8));
RESIDUAL64_RESULT(xmm7);
}
}
}
else { /* order == 1, 2 */
if(order == 2) {
__m128i xmm0, xmm7;
xmm0 = _mm_loadl_epi64((const __m128i*)(qlp_coeff+0));
xmm0 = _mm_shuffle_epi32(xmm0, _MM_SHUFFLE(3,1,2,0));
for(i = 0; i < (int)data_len; i++) {
//sum = 0;
//sum += qlp_coeff[1] * (FLAC__int64)data[i-2];
//sum += qlp_coeff[0] * (FLAC__int64)data[i-1];
xmm7 = _mm_loadl_epi64((const __m128i*)(data+i-2));
xmm7 = _mm_shuffle_epi32(xmm7, _MM_SHUFFLE(2,0,3,1));
xmm7 = _mm_mul_epi32(xmm7, xmm0);
xmm7 = _mm_add_epi64(xmm7, _mm_srli_si128(xmm7, 8));
RESIDUAL64_RESULT(xmm7);
}
}
else { /* order == 1 */
__m128i xmm0, xmm7;
xmm0 = _mm_cvtsi32_si128(qlp_coeff[0]);
for(i = 0; i < (int)data_len; i++) {
//sum = qlp_coeff[0] * (FLAC__int64)data[i-1];
xmm7 = _mm_cvtsi32_si128(data[i-1]);
xmm7 = _mm_mul_epi32(xmm7, xmm0);
RESIDUAL64_RESULT(xmm7);
}
}
}
}
}
else { /* order > 12 */
FLAC__int64 sum;
for(i = 0; i < (int)data_len; i++) {
sum = 0;
switch(order) {
case 32: sum += qlp_coeff[31] * (FLAC__int64)data[i-32]; /* Falls through. */
case 31: sum += qlp_coeff[30] * (FLAC__int64)data[i-31]; /* Falls through. */
case 30: sum += qlp_coeff[29] * (FLAC__int64)data[i-30]; /* Falls through. */
case 29: sum += qlp_coeff[28] * (FLAC__int64)data[i-29]; /* Falls through. */
case 28: sum += qlp_coeff[27] * (FLAC__int64)data[i-28]; /* Falls through. */
case 27: sum += qlp_coeff[26] * (FLAC__int64)data[i-27]; /* Falls through. */
case 26: sum += qlp_coeff[25] * (FLAC__int64)data[i-26]; /* Falls through. */
case 25: sum += qlp_coeff[24] * (FLAC__int64)data[i-25]; /* Falls through. */
case 24: sum += qlp_coeff[23] * (FLAC__int64)data[i-24]; /* Falls through. */
case 23: sum += qlp_coeff[22] * (FLAC__int64)data[i-23]; /* Falls through. */
case 22: sum += qlp_coeff[21] * (FLAC__int64)data[i-22]; /* Falls through. */
case 21: sum += qlp_coeff[20] * (FLAC__int64)data[i-21]; /* Falls through. */
case 20: sum += qlp_coeff[19] * (FLAC__int64)data[i-20]; /* Falls through. */
case 19: sum += qlp_coeff[18] * (FLAC__int64)data[i-19]; /* Falls through. */
case 18: sum += qlp_coeff[17] * (FLAC__int64)data[i-18]; /* Falls through. */
case 17: sum += qlp_coeff[16] * (FLAC__int64)data[i-17]; /* Falls through. */
case 16: sum += qlp_coeff[15] * (FLAC__int64)data[i-16]; /* Falls through. */
case 15: sum += qlp_coeff[14] * (FLAC__int64)data[i-15]; /* Falls through. */
case 14: sum += qlp_coeff[13] * (FLAC__int64)data[i-14]; /* Falls through. */
case 13: sum += qlp_coeff[12] * (FLAC__int64)data[i-13];
sum += qlp_coeff[11] * (FLAC__int64)data[i-12];
sum += qlp_coeff[10] * (FLAC__int64)data[i-11];
sum += qlp_coeff[ 9] * (FLAC__int64)data[i-10];
sum += qlp_coeff[ 8] * (FLAC__int64)data[i- 9];
sum += qlp_coeff[ 7] * (FLAC__int64)data[i- 8];
sum += qlp_coeff[ 6] * (FLAC__int64)data[i- 7];
sum += qlp_coeff[ 5] * (FLAC__int64)data[i- 6];
sum += qlp_coeff[ 4] * (FLAC__int64)data[i- 5];
sum += qlp_coeff[ 3] * (FLAC__int64)data[i- 4];
sum += qlp_coeff[ 2] * (FLAC__int64)data[i- 3];
sum += qlp_coeff[ 1] * (FLAC__int64)data[i- 2];
sum += qlp_coeff[ 0] * (FLAC__int64)data[i- 1];
}
residual[i] = data[i] - (FLAC__int32)(sum >> lp_quantization);
}
}
}
FLAC__SSE_TARGET("sse4.1")
void FLAC__lpc_restore_signal_wide_intrin_sse41(const FLAC__int32 residual[], uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 data[])
{
int i;
const __m128i cnt = _mm_cvtsi32_si128(lp_quantization);
if (!data_len)
return;
FLAC__ASSERT(order > 0);
FLAC__ASSERT(order <= 32);
FLAC__ASSERT(lp_quantization <= 32); /* there's no _mm_sra_epi64() so we have to use _mm_srl_epi64() */
if(order <= 12) {
if(order > 8) { /* order == 9, 10, 11, 12 */
if(order > 10) { /* order == 11, 12 */
__m128i qlp[6], dat[6];
__m128i summ, temp;
qlp[0] = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(qlp_coeff+0))); // 0 q[1] 0 q[0]
qlp[1] = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(qlp_coeff+2))); // 0 q[3] 0 q[2]
qlp[2] = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(qlp_coeff+4))); // 0 q[5] 0 q[4]
qlp[3] = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(qlp_coeff+6))); // 0 q[7] 0 q[6]
qlp[4] = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(qlp_coeff+8))); // 0 q[9] 0 q[8]
if (order == 12)
qlp[5] = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(qlp_coeff+10))); // 0 q[11] 0 q[10]
else
qlp[5] = _mm_cvtepu32_epi64(_mm_cvtsi32_si128(qlp_coeff[10])); // 0 0 0 q[10]
dat[5] = _mm_shuffle_epi32(_mm_loadl_epi64((const __m128i*)(data-12)), _MM_SHUFFLE(2,0,3,1)); // 0 d[i-12] 0 d[i-11]
dat[4] = _mm_shuffle_epi32(_mm_loadl_epi64((const __m128i*)(data-10)), _MM_SHUFFLE(2,0,3,1)); // 0 d[i-10] 0 d[i-9]
dat[3] = _mm_shuffle_epi32(_mm_loadl_epi64((const __m128i*)(data-8 )), _MM_SHUFFLE(2,0,3,1)); // 0 d[i-8] 0 d[i-7]
dat[2] = _mm_shuffle_epi32(_mm_loadl_epi64((const __m128i*)(data-6 )), _MM_SHUFFLE(2,0,3,1)); // 0 d[i-6] 0 d[i-5]
dat[1] = _mm_shuffle_epi32(_mm_loadl_epi64((const __m128i*)(data-4 )), _MM_SHUFFLE(2,0,3,1)); // 0 d[i-4] 0 d[i-3]
dat[0] = _mm_shuffle_epi32(_mm_loadl_epi64((const __m128i*)(data-2 )), _MM_SHUFFLE(2,0,3,1)); // 0 d[i-2] 0 d[i-1]
summ = _mm_mul_epi32(dat[5], qlp[5]) ;
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[4], qlp[4]));
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[3], qlp[3]));
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[2], qlp[2]));
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[1], qlp[1]));
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[0], qlp[0]));
summ = _mm_add_epi64(summ, _mm_srli_si128(summ, 8)); // ?_64 sum_64
summ = _mm_srl_epi64(summ, cnt); // ?_64 (sum >> lp_quantization)_64 == ?_32 ?_32 ?_32 (sum >> lp_quantization)_32
temp = _mm_add_epi32(_mm_cvtsi32_si128(residual[0]), summ); // ? ? ? d[i]
data[0] = _mm_cvtsi128_si32(temp);
for(i = 1; i < (int)data_len; i++) {
temp = _mm_slli_si128(temp, 8);
dat[5] = _mm_alignr_epi8(dat[5], dat[4], 8); // ? d[i-11] ? d[i-10]
dat[4] = _mm_alignr_epi8(dat[4], dat[3], 8); // ? d[i-9] ? d[i-8]
dat[3] = _mm_alignr_epi8(dat[3], dat[2], 8); // ? d[i-7] ? d[i-6]
dat[2] = _mm_alignr_epi8(dat[2], dat[1], 8); // ? d[i-5] ? d[i-4]
dat[1] = _mm_alignr_epi8(dat[1], dat[0], 8); // ? d[i-3] ? d[i-2]
dat[0] = _mm_alignr_epi8(dat[0], temp, 8); // ? d[i-1] ? d[i ]
summ = _mm_mul_epi32(dat[5], qlp[5]) ;
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[4], qlp[4]));
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[3], qlp[3]));
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[2], qlp[2]));
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[1], qlp[1]));
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[0], qlp[0]));
summ = _mm_add_epi64(summ, _mm_srli_si128(summ, 8)); // ?_64 sum_64
summ = _mm_srl_epi64(summ, cnt); // ?_64 (sum >> lp_quantization)_64 == ?_32 ?_32 ?_32 (sum >> lp_quantization)_32
temp = _mm_add_epi32(_mm_cvtsi32_si128(residual[i]), summ); // ? ? ? d[i]
data[i] = _mm_cvtsi128_si32(temp);
}
}
else { /* order == 9, 10 */
__m128i qlp[5], dat[5];
__m128i summ, temp;
qlp[0] = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(qlp_coeff+0)));
qlp[1] = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(qlp_coeff+2)));
qlp[2] = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(qlp_coeff+4)));
qlp[3] = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(qlp_coeff+6)));
if (order == 10)
qlp[4] = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(qlp_coeff+8)));
else
qlp[4] = _mm_cvtepu32_epi64(_mm_cvtsi32_si128(qlp_coeff[8]));
dat[4] = _mm_shuffle_epi32(_mm_loadl_epi64((const __m128i*)(data-10)), _MM_SHUFFLE(2,0,3,1));
dat[3] = _mm_shuffle_epi32(_mm_loadl_epi64((const __m128i*)(data-8 )), _MM_SHUFFLE(2,0,3,1));
dat[2] = _mm_shuffle_epi32(_mm_loadl_epi64((const __m128i*)(data-6 )), _MM_SHUFFLE(2,0,3,1));
dat[1] = _mm_shuffle_epi32(_mm_loadl_epi64((const __m128i*)(data-4 )), _MM_SHUFFLE(2,0,3,1));
dat[0] = _mm_shuffle_epi32(_mm_loadl_epi64((const __m128i*)(data-2 )), _MM_SHUFFLE(2,0,3,1));
summ = _mm_mul_epi32(dat[4], qlp[4]) ;
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[3], qlp[3]));
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[2], qlp[2]));
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[1], qlp[1]));
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[0], qlp[0]));
summ = _mm_add_epi64(summ, _mm_srli_si128(summ, 8));
summ = _mm_srl_epi64(summ, cnt);
temp = _mm_add_epi32(_mm_cvtsi32_si128(residual[0]), summ);
data[0] = _mm_cvtsi128_si32(temp);
for(i = 1; i < (int)data_len; i++) {
temp = _mm_slli_si128(temp, 8);
dat[4] = _mm_alignr_epi8(dat[4], dat[3], 8);
dat[3] = _mm_alignr_epi8(dat[3], dat[2], 8);
dat[2] = _mm_alignr_epi8(dat[2], dat[1], 8);
dat[1] = _mm_alignr_epi8(dat[1], dat[0], 8);
dat[0] = _mm_alignr_epi8(dat[0], temp, 8);
summ = _mm_mul_epi32(dat[4], qlp[4]) ;
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[3], qlp[3]));
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[2], qlp[2]));
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[1], qlp[1]));
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[0], qlp[0]));
summ = _mm_add_epi64(summ, _mm_srli_si128(summ, 8));
summ = _mm_srl_epi64(summ, cnt);
temp = _mm_add_epi32(_mm_cvtsi32_si128(residual[i]), summ);
data[i] = _mm_cvtsi128_si32(temp);
}
}
}
else if(order > 4) { /* order == 5, 6, 7, 8 */
if(order > 6) { /* order == 7, 8 */
__m128i qlp[4], dat[4];
__m128i summ, temp;
qlp[0] = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(qlp_coeff+0)));
qlp[1] = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(qlp_coeff+2)));
qlp[2] = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(qlp_coeff+4)));
if (order == 8)
qlp[3] = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(qlp_coeff+6)));
else
qlp[3] = _mm_cvtepu32_epi64(_mm_cvtsi32_si128(qlp_coeff[6]));
dat[3] = _mm_shuffle_epi32(_mm_loadl_epi64((const __m128i*)(data-8 )), _MM_SHUFFLE(2,0,3,1));
dat[2] = _mm_shuffle_epi32(_mm_loadl_epi64((const __m128i*)(data-6 )), _MM_SHUFFLE(2,0,3,1));
dat[1] = _mm_shuffle_epi32(_mm_loadl_epi64((const __m128i*)(data-4 )), _MM_SHUFFLE(2,0,3,1));
dat[0] = _mm_shuffle_epi32(_mm_loadl_epi64((const __m128i*)(data-2 )), _MM_SHUFFLE(2,0,3,1));
summ = _mm_mul_epi32(dat[3], qlp[3]) ;
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[2], qlp[2]));
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[1], qlp[1]));
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[0], qlp[0]));
summ = _mm_add_epi64(summ, _mm_srli_si128(summ, 8));
summ = _mm_srl_epi64(summ, cnt);
temp = _mm_add_epi32(_mm_cvtsi32_si128(residual[0]), summ);
data[0] = _mm_cvtsi128_si32(temp);
for(i = 1; i < (int)data_len; i++) {
temp = _mm_slli_si128(temp, 8);
dat[3] = _mm_alignr_epi8(dat[3], dat[2], 8);
dat[2] = _mm_alignr_epi8(dat[2], dat[1], 8);
dat[1] = _mm_alignr_epi8(dat[1], dat[0], 8);
dat[0] = _mm_alignr_epi8(dat[0], temp, 8);
summ = _mm_mul_epi32(dat[3], qlp[3]) ;
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[2], qlp[2]));
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[1], qlp[1]));
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[0], qlp[0]));
summ = _mm_add_epi64(summ, _mm_srli_si128(summ, 8));
summ = _mm_srl_epi64(summ, cnt);
temp = _mm_add_epi32(_mm_cvtsi32_si128(residual[i]), summ);
data[i] = _mm_cvtsi128_si32(temp);
}
}
else { /* order == 5, 6 */
__m128i qlp[3], dat[3];
__m128i summ, temp;
qlp[0] = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(qlp_coeff+0)));
qlp[1] = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(qlp_coeff+2)));
if (order == 6)
qlp[2] = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(qlp_coeff+4)));
else
qlp[2] = _mm_cvtepu32_epi64(_mm_cvtsi32_si128(qlp_coeff[4]));
dat[2] = _mm_shuffle_epi32(_mm_loadl_epi64((const __m128i*)(data-6 )), _MM_SHUFFLE(2,0,3,1));
dat[1] = _mm_shuffle_epi32(_mm_loadl_epi64((const __m128i*)(data-4 )), _MM_SHUFFLE(2,0,3,1));
dat[0] = _mm_shuffle_epi32(_mm_loadl_epi64((const __m128i*)(data-2 )), _MM_SHUFFLE(2,0,3,1));
summ = _mm_mul_epi32(dat[2], qlp[2]) ;
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[1], qlp[1]));
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[0], qlp[0]));
summ = _mm_add_epi64(summ, _mm_srli_si128(summ, 8));
summ = _mm_srl_epi64(summ, cnt);
temp = _mm_add_epi32(_mm_cvtsi32_si128(residual[0]), summ);
data[0] = _mm_cvtsi128_si32(temp);
for(i = 1; i < (int)data_len; i++) {
temp = _mm_slli_si128(temp, 8);
dat[2] = _mm_alignr_epi8(dat[2], dat[1], 8);
dat[1] = _mm_alignr_epi8(dat[1], dat[0], 8);
dat[0] = _mm_alignr_epi8(dat[0], temp, 8);
summ = _mm_mul_epi32(dat[2], qlp[2]) ;
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[1], qlp[1]));
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[0], qlp[0]));
summ = _mm_add_epi64(summ, _mm_srli_si128(summ, 8));
summ = _mm_srl_epi64(summ, cnt);
temp = _mm_add_epi32(_mm_cvtsi32_si128(residual[i]), summ);
data[i] = _mm_cvtsi128_si32(temp);
}
}
}
else { /* order == 1, 2, 3, 4 */
if(order > 2) { /* order == 3, 4 */
__m128i qlp[2], dat[2];
__m128i summ, temp;
qlp[0] = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(qlp_coeff+0)));
if (order == 4)
qlp[1] = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(qlp_coeff+2)));
else
qlp[1] = _mm_cvtepu32_epi64(_mm_cvtsi32_si128(qlp_coeff[2]));
dat[1] = _mm_shuffle_epi32(_mm_loadl_epi64((const __m128i*)(data-4 )), _MM_SHUFFLE(2,0,3,1));
dat[0] = _mm_shuffle_epi32(_mm_loadl_epi64((const __m128i*)(data-2 )), _MM_SHUFFLE(2,0,3,1));
summ = _mm_mul_epi32(dat[1], qlp[1]) ;
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[0], qlp[0]));
summ = _mm_add_epi64(summ, _mm_srli_si128(summ, 8));
summ = _mm_srl_epi64(summ, cnt);
temp = _mm_add_epi32(_mm_cvtsi32_si128(residual[0]), summ);
data[0] = _mm_cvtsi128_si32(temp);
for(i = 1; i < (int)data_len; i++) {
temp = _mm_slli_si128(temp, 8);
dat[1] = _mm_alignr_epi8(dat[1], dat[0], 8);
dat[0] = _mm_alignr_epi8(dat[0], temp, 8);
summ = _mm_mul_epi32(dat[1], qlp[1]) ;
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat[0], qlp[0]));
summ = _mm_add_epi64(summ, _mm_srli_si128(summ, 8));
summ = _mm_srl_epi64(summ, cnt);
temp = _mm_add_epi32(_mm_cvtsi32_si128(residual[i]), summ);
data[i] = _mm_cvtsi128_si32(temp);
}
}
else { /* order == 1, 2 */
if(order == 2) {
__m128i qlp0, dat0;
__m128i summ, temp;
qlp0 = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(qlp_coeff)));
dat0 = _mm_shuffle_epi32(_mm_loadl_epi64((const __m128i*)(data-2 )), _MM_SHUFFLE(2,0,3,1));
summ = _mm_mul_epi32(dat0, qlp0);
summ = _mm_add_epi64(summ, _mm_srli_si128(summ, 8));
summ = _mm_srl_epi64(summ, cnt);
temp = _mm_add_epi32(_mm_cvtsi32_si128(residual[0]), summ);
data[0] = _mm_cvtsi128_si32(temp);
for(i = 1; i < (int)data_len; i++) {
dat0 = _mm_alignr_epi8(dat0, _mm_slli_si128(temp, 8), 8);
summ = _mm_mul_epi32(dat0, qlp0);
summ = _mm_add_epi64(summ, _mm_srli_si128(summ, 8));
summ = _mm_srl_epi64(summ, cnt);
temp = _mm_add_epi32(_mm_cvtsi32_si128(residual[i]), summ);
data[i] = _mm_cvtsi128_si32(temp);
}
}
else { /* order == 1 */
__m128i qlp0;
__m128i summ, temp;
qlp0 = _mm_cvtsi32_si128(qlp_coeff[0]);
temp = _mm_cvtsi32_si128(data[-1]);
summ = _mm_mul_epi32(temp, qlp0);
summ = _mm_srl_epi64(summ, cnt);
temp = _mm_add_epi32(_mm_cvtsi32_si128(residual[0]), summ);
data[0] = _mm_cvtsi128_si32(temp);
for(i = 1; i < (int)data_len; i++) {
summ = _mm_mul_epi32(temp, qlp0);
summ = _mm_srl_epi64(summ, cnt);
temp = _mm_add_epi32(_mm_cvtsi32_si128(residual[i]), summ);
data[i] = _mm_cvtsi128_si32(temp);
}
}
}
}
}
else { /* order > 12 */
__m128i qlp[16];
for(i = 0; i < (int)order/2; i++)
qlp[i] = _mm_shuffle_epi32(_mm_loadl_epi64((const __m128i*)(qlp_coeff+i*2)), _MM_SHUFFLE(2,0,3,1)); // 0 q[2*i] 0 q[2*i+1]
if(order & 1)
qlp[i] = _mm_shuffle_epi32(_mm_cvtsi32_si128(qlp_coeff[i*2]), _MM_SHUFFLE(2,0,3,1));
for(i = 0; i < (int)data_len; i++) {
__m128i summ = _mm_setzero_si128(), dat;
FLAC__int32 * const datai = &data[i];
switch((order+1) / 2) {
case 16: /* order == 31, 32 */
dat = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(datai-32)));
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat, qlp[15])); /* Falls through. */
case 15:
dat = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(datai-30)));
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat, qlp[14])); /* Falls through. */
case 14:
dat = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(datai-28)));
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat, qlp[13])); /* Falls through. */
case 13:
dat = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(datai-26)));
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat, qlp[12])); /* Falls through. */
case 12:
dat = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(datai-24)));
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat, qlp[11])); /* Falls through. */
case 11:
dat = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(datai-22)));
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat, qlp[10])); /* Falls through. */
case 10:
dat = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(datai-20)));
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat, qlp[9])); /* Falls through. */
case 9:
dat = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(datai-18)));
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat, qlp[8])); /* Falls through. */
case 8:
dat = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(datai-16)));
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat, qlp[7])); /* Falls through. */
case 7: /* order == 13, 14 */
dat = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(datai-14)));
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat, qlp[6]));
dat = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(datai-12)));
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat, qlp[5]));
dat = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(datai-10)));
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat, qlp[4]));
dat = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(datai-8)));
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat, qlp[3]));
dat = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(datai-6)));
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat, qlp[2]));
dat = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(datai-4)));
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat, qlp[1]));
dat = _mm_cvtepu32_epi64(_mm_loadl_epi64((const __m128i*)(datai-2)));
summ = _mm_add_epi64(summ, _mm_mul_epi32(dat, qlp[0]));
}
summ = _mm_add_epi64(summ, _mm_srli_si128(summ, 8));
summ = _mm_srl_epi64(summ, cnt);
summ = _mm_add_epi32(summ, _mm_cvtsi32_si128(residual[i]));
data[i] = _mm_cvtsi128_si32(summ);
}
}
}
FLAC__SSE_TARGET("sse4.1")
void FLAC__lpc_restore_signal_intrin_sse41(const FLAC__int32 residual[], uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 data[])
{
if(order < 8) {
FLAC__lpc_restore_signal(residual, data_len, qlp_coeff, order, lp_quantization, data);
return;
}
FLAC__ASSERT(order >= 8);
FLAC__ASSERT(order <= 32);
if(order <= 12) {
int i;
const __m128i cnt = _mm_cvtsi32_si128(lp_quantization);
if(order > 8) /* order == 9, 10, 11, 12 */
{
__m128i qlp[3], dat[3];
__m128i summ, temp;
qlp[0] = _mm_loadu_si128((const __m128i*)(qlp_coeff + 0)); // q[3] q[2] q[1] q[0]
qlp[1] = _mm_loadu_si128((const __m128i*)(qlp_coeff + 4)); // q[7] q[6] q[5] q[4]
qlp[2] = _mm_loadu_si128((const __m128i*)(qlp_coeff + 8)); // q[11] q[10] q[9] q[8]
switch (order)
{
case 9:
qlp[2] = _mm_slli_si128(qlp[2], 12); qlp[2] = _mm_srli_si128(qlp[2], 12); break; // 0 0 0 q[8]
case 10:
qlp[2] = _mm_slli_si128(qlp[2], 8); qlp[2] = _mm_srli_si128(qlp[2], 8); break; // 0 0 q[9] q[8]
case 11:
qlp[2] = _mm_slli_si128(qlp[2], 4); qlp[2] = _mm_srli_si128(qlp[2], 4); break; // 0 q[10] q[9] q[8]
}
dat[2] = _mm_shuffle_epi32(_mm_loadu_si128((const __m128i*)(data - 12)), _MM_SHUFFLE(0, 1, 2, 3)); // d[i-12] d[i-11] d[i-10] d[i-9]
dat[1] = _mm_shuffle_epi32(_mm_loadu_si128((const __m128i*)(data - 8)), _MM_SHUFFLE(0, 1, 2, 3)); // d[i-8] d[i-7] d[i-6] d[i-5]
dat[0] = _mm_shuffle_epi32(_mm_loadu_si128((const __m128i*)(data - 4)), _MM_SHUFFLE(0, 1, 2, 3)); // d[i-4] d[i-3] d[i-2] d[i-1]
for (i = 0;;) {
summ = _mm_mullo_epi32(dat[2], qlp[2]);
summ = _mm_add_epi32(summ, _mm_mullo_epi32(dat[1], qlp[1]));
summ = _mm_add_epi32(summ, _mm_mullo_epi32(dat[0], qlp[0]));
summ = _mm_add_epi32(summ, _mm_shuffle_epi32(summ, _MM_SHUFFLE(1,0,3,2)));
summ = _mm_add_epi32(summ, _mm_shufflelo_epi16(summ, _MM_SHUFFLE(1,0,3,2)));
summ = _mm_sra_epi32(summ, cnt);
temp = _mm_add_epi32(_mm_cvtsi32_si128(residual[i]), summ);
data[i] = _mm_cvtsi128_si32(temp);
if(++i >= (int)data_len) break;
temp = _mm_slli_si128(temp, 12);
dat[2] = _mm_alignr_epi8(dat[2], dat[1], 12);
dat[1] = _mm_alignr_epi8(dat[1], dat[0], 12);
dat[0] = _mm_alignr_epi8(dat[0], temp, 12);
}
}
else /* order == 8 */
{
__m128i qlp[2], dat[2];
__m128i summ, temp;
qlp[0] = _mm_loadu_si128((const __m128i*)(qlp_coeff + 0));
qlp[1] = _mm_loadu_si128((const __m128i*)(qlp_coeff + 4));
dat[1] = _mm_shuffle_epi32(_mm_loadu_si128((const __m128i*)(data - 8)), _MM_SHUFFLE(0, 1, 2, 3));
dat[0] = _mm_shuffle_epi32(_mm_loadu_si128((const __m128i*)(data - 4)), _MM_SHUFFLE(0, 1, 2, 3));
for (i = 0;;) {
summ = _mm_add_epi32(_mm_mullo_epi32(dat[1], qlp[1]), _mm_mullo_epi32(dat[0], qlp[0]));
summ = _mm_add_epi32(summ, _mm_shuffle_epi32(summ, _MM_SHUFFLE(1,0,3,2)));
summ = _mm_add_epi32(summ, _mm_shufflelo_epi16(summ, _MM_SHUFFLE(1,0,3,2)));
summ = _mm_sra_epi32(summ, cnt);
temp = _mm_add_epi32(_mm_cvtsi32_si128(residual[i]), summ);
data[i] = _mm_cvtsi128_si32(temp);
if(++i >= (int)data_len) break;
temp = _mm_slli_si128(temp, 12);
dat[1] = _mm_alignr_epi8(dat[1], dat[0], 12);
dat[0] = _mm_alignr_epi8(dat[0], temp, 12);
}
}
}
else { /* order > 12 */
#ifdef FLAC__HAS_NASM
FLAC__lpc_restore_signal_asm_ia32(residual, data_len, qlp_coeff, order, lp_quantization, data);
#else
FLAC__lpc_restore_signal(residual, data_len, qlp_coeff, order, lp_quantization, data);
#endif
}
}
FLAC__SSE_TARGET("ssse3")
void FLAC__lpc_restore_signal_16_intrin_sse41(const FLAC__int32 residual[], uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 data[])
{
if(order < 8) {
FLAC__lpc_restore_signal(residual, data_len, qlp_coeff, order, lp_quantization, data);
return;
}
FLAC__ASSERT(order >= 8);
FLAC__ASSERT(order <= 32);
if(order <= 12) {
int i;
const __m128i cnt = _mm_cvtsi32_si128(lp_quantization);
if(order > 8) /* order == 9, 10, 11, 12 */
{
__m128i qlp[2], dat[2];
__m128i summ, temp;
qlp[0] = _mm_loadu_si128((const __m128i*)(qlp_coeff+0)); // q[3] q[2] q[1] q[0]
temp = _mm_loadu_si128((const __m128i*)(qlp_coeff+4)); // q[7] q[6] q[5] q[4]
qlp[1] = _mm_loadu_si128((const __m128i*)(qlp_coeff+8)); // q[11] q[10] q[9] q[8]
switch(order)
{
case 9:
qlp[1] = _mm_slli_si128(qlp[1], 12); qlp[1] = _mm_srli_si128(qlp[1], 12); break; // 0 0 0 q[8]
case 10:
qlp[1] = _mm_slli_si128(qlp[1], 8); qlp[1] = _mm_srli_si128(qlp[1], 8); break; // 0 0 q[9] q[8]
case 11:
qlp[1] = _mm_slli_si128(qlp[1], 4); qlp[1] = _mm_srli_si128(qlp[1], 4); break; // 0 q[10] q[9] q[8]
}
qlp[0] = _mm_packs_epi32(qlp[0], temp); // q[7] q[6] q[5] q[4] q[3] q[2] q[1] q[0]
qlp[1] = _mm_packs_epi32(qlp[1], _mm_setzero_si128()); // 0 0 0 0 q[11] q[10] q[9] q[8]
dat[1] = _mm_shuffle_epi32(_mm_loadu_si128((const __m128i*)(data-12)), _MM_SHUFFLE(0,1,2,3)); // d[i-12] d[i-11] d[i-10] d[i-9]
temp = _mm_shuffle_epi32(_mm_loadu_si128((const __m128i*)(data-8)), _MM_SHUFFLE(0,1,2,3)); // d[i-8] d[i-7] d[i-6] d[i-5]
dat[0] = _mm_shuffle_epi32(_mm_loadu_si128((const __m128i*)(data-4)), _MM_SHUFFLE(0,1,2,3)); // d[i-4] d[i-3] d[i-2] d[i-1]
dat[1] = _mm_packs_epi32(dat[1], _mm_setzero_si128()); // 0 0 0 0 d[i-12] d[i-11] d[i-10] d[i-9]
dat[0] = _mm_packs_epi32(dat[0], temp); // d[i-8] d[i-7] d[i-6] d[i-5] d[i-4] d[i-3] d[i-2] d[i-1]
for(i = 0;;) {
summ = _mm_madd_epi16(dat[1], qlp[1]);
summ = _mm_add_epi32(summ, _mm_madd_epi16(dat[0], qlp[0]));
summ = _mm_add_epi32(summ, _mm_shuffle_epi32(summ, _MM_SHUFFLE(1,0,3,2)));
summ = _mm_add_epi32(summ, _mm_shufflelo_epi16(summ, _MM_SHUFFLE(1,0,3,2)));
summ = _mm_sra_epi32(summ, cnt);
temp = _mm_add_epi32(_mm_cvtsi32_si128(residual[i]), summ);
data[i] = _mm_cvtsi128_si32(temp);
if(++i >= (int)data_len) break;
temp = _mm_slli_si128(temp, 14);
dat[1] = _mm_alignr_epi8(dat[1], dat[0], 14); // 0 0 0 d[i-12] d[i-11] d[i-10] d[i-9] d[i-8]
dat[0] = _mm_alignr_epi8(dat[0], temp, 14); // d[i-7] d[i-6] d[i-5] d[i-4] d[i-3] d[i-2] d[i-1] d[i]
}
}
else /* order == 8 */
{
__m128i qlp0, dat0;
__m128i summ, temp;
qlp0 = _mm_loadu_si128((const __m128i*)(qlp_coeff+0)); // q[3] q[2] q[1] q[0]
temp = _mm_loadu_si128((const __m128i*)(qlp_coeff+4)); // q[7] q[6] q[5] q[4]
qlp0 = _mm_packs_epi32(qlp0, temp); // q[7] q[6] q[5] q[4] q[3] q[2] q[1] q[0]
temp = _mm_shuffle_epi32(_mm_loadu_si128((const __m128i*)(data-8)), _MM_SHUFFLE(0,1,2,3));
dat0 = _mm_shuffle_epi32(_mm_loadu_si128((const __m128i*)(data-4)), _MM_SHUFFLE(0,1,2,3));
dat0 = _mm_packs_epi32(dat0, temp); // d[i-8] d[i-7] d[i-6] d[i-5] d[i-4] d[i-3] d[i-2] d[i-1]
for(i = 0;;) {
summ = _mm_madd_epi16(dat0, qlp0);
summ = _mm_add_epi32(summ, _mm_shuffle_epi32(summ, _MM_SHUFFLE(1,0,3,2)));
summ = _mm_add_epi32(summ, _mm_shufflelo_epi16(summ, _MM_SHUFFLE(1,0,3,2)));
summ = _mm_sra_epi32(summ, cnt);
temp = _mm_add_epi32(_mm_cvtsi32_si128(residual[i]), summ);
data[i] = _mm_cvtsi128_si32(temp);
if(++i >= (int)data_len) break;
temp = _mm_slli_si128(temp, 14);
dat0 = _mm_alignr_epi8(dat0, temp, 14); // d[i-7] d[i-6] d[i-5] d[i-4] d[i-3] d[i-2] d[i-1] d[i]
}
}
}
else { /* order > 12 */
#ifdef FLAC__HAS_NASM
FLAC__lpc_restore_signal_asm_ia32_mmx(residual, data_len, qlp_coeff, order, lp_quantization, data);
#else
FLAC__lpc_restore_signal(residual, data_len, qlp_coeff, order, lp_quantization, data);
#endif
}
}
#endif /* defined FLAC__CPU_IA32 */
FLAC__SSE_TARGET("sse4.1")
void FLAC__lpc_compute_residual_from_qlp_coefficients_intrin_sse41(const FLAC__int32 *data, uint32_t data_len, const FLAC__int32 qlp_coeff[], uint32_t order, int lp_quantization, FLAC__int32 residual[])
{
int i;
FLAC__int32 sum;
const __m128i cnt = _mm_cvtsi32_si128(lp_quantization);
FLAC__ASSERT(order > 0);
FLAC__ASSERT(order <= 32);
if(order <= 12) {
if(order > 8) {
if(order > 10) {
if(order == 12) {
__m128i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9, q10, q11;
q0 = _mm_cvtsi32_si128(qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
q1 = _mm_cvtsi32_si128(qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
q2 = _mm_cvtsi32_si128(qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
q3 = _mm_cvtsi32_si128(qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
q4 = _mm_cvtsi32_si128(qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0));
q5 = _mm_cvtsi32_si128(qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0));
q6 = _mm_cvtsi32_si128(qlp_coeff[6]); q6 = _mm_shuffle_epi32(q6, _MM_SHUFFLE(0,0,0,0));
q7 = _mm_cvtsi32_si128(qlp_coeff[7]); q7 = _mm_shuffle_epi32(q7, _MM_SHUFFLE(0,0,0,0));
q8 = _mm_cvtsi32_si128(qlp_coeff[8]); q8 = _mm_shuffle_epi32(q8, _MM_SHUFFLE(0,0,0,0));
q9 = _mm_cvtsi32_si128(qlp_coeff[9]); q9 = _mm_shuffle_epi32(q9, _MM_SHUFFLE(0,0,0,0));
q10 = _mm_cvtsi32_si128(qlp_coeff[10]); q10 = _mm_shuffle_epi32(q10, _MM_SHUFFLE(0,0,0,0));
q11 = _mm_cvtsi32_si128(qlp_coeff[11]); q11 = _mm_shuffle_epi32(q11, _MM_SHUFFLE(0,0,0,0));
for(i = 0; i < (int)data_len-3; i+=4) {
__m128i summ, mull;
summ = _mm_mullo_epi32(q11, _mm_loadu_si128((const __m128i*)(data+i-12)));
mull = _mm_mullo_epi32(q10, _mm_loadu_si128((const __m128i*)(data+i-11))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q9, _mm_loadu_si128((const __m128i*)(data+i-10))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q8, _mm_loadu_si128((const __m128i*)(data+i-9))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q7, _mm_loadu_si128((const __m128i*)(data+i-8))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q6, _mm_loadu_si128((const __m128i*)(data+i-7))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q5, _mm_loadu_si128((const __m128i*)(data+i-6))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q4, _mm_loadu_si128((const __m128i*)(data+i-5))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q3, _mm_loadu_si128((const __m128i*)(data+i-4))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
summ = _mm_sra_epi32(summ, cnt);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
}
}
else { /* order == 11 */
__m128i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9, q10;
q0 = _mm_cvtsi32_si128(qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
q1 = _mm_cvtsi32_si128(qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
q2 = _mm_cvtsi32_si128(qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
q3 = _mm_cvtsi32_si128(qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
q4 = _mm_cvtsi32_si128(qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0));
q5 = _mm_cvtsi32_si128(qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0));
q6 = _mm_cvtsi32_si128(qlp_coeff[6]); q6 = _mm_shuffle_epi32(q6, _MM_SHUFFLE(0,0,0,0));
q7 = _mm_cvtsi32_si128(qlp_coeff[7]); q7 = _mm_shuffle_epi32(q7, _MM_SHUFFLE(0,0,0,0));
q8 = _mm_cvtsi32_si128(qlp_coeff[8]); q8 = _mm_shuffle_epi32(q8, _MM_SHUFFLE(0,0,0,0));
q9 = _mm_cvtsi32_si128(qlp_coeff[9]); q9 = _mm_shuffle_epi32(q9, _MM_SHUFFLE(0,0,0,0));
q10 = _mm_cvtsi32_si128(qlp_coeff[10]); q10 = _mm_shuffle_epi32(q10, _MM_SHUFFLE(0,0,0,0));
for(i = 0; i < (int)data_len-3; i+=4) {
__m128i summ, mull;
summ = _mm_mullo_epi32(q10, _mm_loadu_si128((const __m128i*)(data+i-11)));
mull = _mm_mullo_epi32(q9, _mm_loadu_si128((const __m128i*)(data+i-10))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q8, _mm_loadu_si128((const __m128i*)(data+i-9))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q7, _mm_loadu_si128((const __m128i*)(data+i-8))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q6, _mm_loadu_si128((const __m128i*)(data+i-7))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q5, _mm_loadu_si128((const __m128i*)(data+i-6))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q4, _mm_loadu_si128((const __m128i*)(data+i-5))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q3, _mm_loadu_si128((const __m128i*)(data+i-4))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
summ = _mm_sra_epi32(summ, cnt);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
}
}
}
else {
if(order == 10) {
__m128i q0, q1, q2, q3, q4, q5, q6, q7, q8, q9;
q0 = _mm_cvtsi32_si128(qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
q1 = _mm_cvtsi32_si128(qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
q2 = _mm_cvtsi32_si128(qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
q3 = _mm_cvtsi32_si128(qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
q4 = _mm_cvtsi32_si128(qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0));
q5 = _mm_cvtsi32_si128(qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0));
q6 = _mm_cvtsi32_si128(qlp_coeff[6]); q6 = _mm_shuffle_epi32(q6, _MM_SHUFFLE(0,0,0,0));
q7 = _mm_cvtsi32_si128(qlp_coeff[7]); q7 = _mm_shuffle_epi32(q7, _MM_SHUFFLE(0,0,0,0));
q8 = _mm_cvtsi32_si128(qlp_coeff[8]); q8 = _mm_shuffle_epi32(q8, _MM_SHUFFLE(0,0,0,0));
q9 = _mm_cvtsi32_si128(qlp_coeff[9]); q9 = _mm_shuffle_epi32(q9, _MM_SHUFFLE(0,0,0,0));
for(i = 0; i < (int)data_len-3; i+=4) {
__m128i summ, mull;
summ = _mm_mullo_epi32(q9, _mm_loadu_si128((const __m128i*)(data+i-10)));
mull = _mm_mullo_epi32(q8, _mm_loadu_si128((const __m128i*)(data+i-9))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q7, _mm_loadu_si128((const __m128i*)(data+i-8))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q6, _mm_loadu_si128((const __m128i*)(data+i-7))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q5, _mm_loadu_si128((const __m128i*)(data+i-6))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q4, _mm_loadu_si128((const __m128i*)(data+i-5))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q3, _mm_loadu_si128((const __m128i*)(data+i-4))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
summ = _mm_sra_epi32(summ, cnt);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
}
}
else { /* order == 9 */
__m128i q0, q1, q2, q3, q4, q5, q6, q7, q8;
q0 = _mm_cvtsi32_si128(qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
q1 = _mm_cvtsi32_si128(qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
q2 = _mm_cvtsi32_si128(qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
q3 = _mm_cvtsi32_si128(qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
q4 = _mm_cvtsi32_si128(qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0));
q5 = _mm_cvtsi32_si128(qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0));
q6 = _mm_cvtsi32_si128(qlp_coeff[6]); q6 = _mm_shuffle_epi32(q6, _MM_SHUFFLE(0,0,0,0));
q7 = _mm_cvtsi32_si128(qlp_coeff[7]); q7 = _mm_shuffle_epi32(q7, _MM_SHUFFLE(0,0,0,0));
q8 = _mm_cvtsi32_si128(qlp_coeff[8]); q8 = _mm_shuffle_epi32(q8, _MM_SHUFFLE(0,0,0,0));
for(i = 0; i < (int)data_len-3; i+=4) {
__m128i summ, mull;
summ = _mm_mullo_epi32(q8, _mm_loadu_si128((const __m128i*)(data+i-9)));
mull = _mm_mullo_epi32(q7, _mm_loadu_si128((const __m128i*)(data+i-8))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q6, _mm_loadu_si128((const __m128i*)(data+i-7))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q5, _mm_loadu_si128((const __m128i*)(data+i-6))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q4, _mm_loadu_si128((const __m128i*)(data+i-5))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q3, _mm_loadu_si128((const __m128i*)(data+i-4))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
summ = _mm_sra_epi32(summ, cnt);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
}
}
}
}
else if(order > 4) {
if(order > 6) {
if(order == 8) {
__m128i q0, q1, q2, q3, q4, q5, q6, q7;
q0 = _mm_cvtsi32_si128(qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
q1 = _mm_cvtsi32_si128(qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
q2 = _mm_cvtsi32_si128(qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
q3 = _mm_cvtsi32_si128(qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
q4 = _mm_cvtsi32_si128(qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0));
q5 = _mm_cvtsi32_si128(qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0));
q6 = _mm_cvtsi32_si128(qlp_coeff[6]); q6 = _mm_shuffle_epi32(q6, _MM_SHUFFLE(0,0,0,0));
q7 = _mm_cvtsi32_si128(qlp_coeff[7]); q7 = _mm_shuffle_epi32(q7, _MM_SHUFFLE(0,0,0,0));
for(i = 0; i < (int)data_len-3; i+=4) {
__m128i summ, mull;
summ = _mm_mullo_epi32(q7, _mm_loadu_si128((const __m128i*)(data+i-8)));
mull = _mm_mullo_epi32(q6, _mm_loadu_si128((const __m128i*)(data+i-7))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q5, _mm_loadu_si128((const __m128i*)(data+i-6))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q4, _mm_loadu_si128((const __m128i*)(data+i-5))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q3, _mm_loadu_si128((const __m128i*)(data+i-4))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
summ = _mm_sra_epi32(summ, cnt);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
}
}
else { /* order == 7 */
__m128i q0, q1, q2, q3, q4, q5, q6;
q0 = _mm_cvtsi32_si128(qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
q1 = _mm_cvtsi32_si128(qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
q2 = _mm_cvtsi32_si128(qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
q3 = _mm_cvtsi32_si128(qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
q4 = _mm_cvtsi32_si128(qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0));
q5 = _mm_cvtsi32_si128(qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0));
q6 = _mm_cvtsi32_si128(qlp_coeff[6]); q6 = _mm_shuffle_epi32(q6, _MM_SHUFFLE(0,0,0,0));
for(i = 0; i < (int)data_len-3; i+=4) {
__m128i summ, mull;
summ = _mm_mullo_epi32(q6, _mm_loadu_si128((const __m128i*)(data+i-7)));
mull = _mm_mullo_epi32(q5, _mm_loadu_si128((const __m128i*)(data+i-6))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q4, _mm_loadu_si128((const __m128i*)(data+i-5))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q3, _mm_loadu_si128((const __m128i*)(data+i-4))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
summ = _mm_sra_epi32(summ, cnt);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
}
}
}
else {
if(order == 6) {
__m128i q0, q1, q2, q3, q4, q5;
q0 = _mm_cvtsi32_si128(qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
q1 = _mm_cvtsi32_si128(qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
q2 = _mm_cvtsi32_si128(qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
q3 = _mm_cvtsi32_si128(qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
q4 = _mm_cvtsi32_si128(qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0));
q5 = _mm_cvtsi32_si128(qlp_coeff[5]); q5 = _mm_shuffle_epi32(q5, _MM_SHUFFLE(0,0,0,0));
for(i = 0; i < (int)data_len-3; i+=4) {
__m128i summ, mull;
summ = _mm_mullo_epi32(q5, _mm_loadu_si128((const __m128i*)(data+i-6)));
mull = _mm_mullo_epi32(q4, _mm_loadu_si128((const __m128i*)(data+i-5))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q3, _mm_loadu_si128((const __m128i*)(data+i-4))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
summ = _mm_sra_epi32(summ, cnt);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
}
}
else { /* order == 5 */
__m128i q0, q1, q2, q3, q4;
q0 = _mm_cvtsi32_si128(qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
q1 = _mm_cvtsi32_si128(qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
q2 = _mm_cvtsi32_si128(qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
q3 = _mm_cvtsi32_si128(qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
q4 = _mm_cvtsi32_si128(qlp_coeff[4]); q4 = _mm_shuffle_epi32(q4, _MM_SHUFFLE(0,0,0,0));
for(i = 0; i < (int)data_len-3; i+=4) {
__m128i summ, mull;
summ = _mm_mullo_epi32(q4, _mm_loadu_si128((const __m128i*)(data+i-5)));
mull = _mm_mullo_epi32(q3, _mm_loadu_si128((const __m128i*)(data+i-4))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
summ = _mm_sra_epi32(summ, cnt);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
}
}
}
}
else {
if(order > 2) {
if(order == 4) {
__m128i q0, q1, q2, q3;
q0 = _mm_cvtsi32_si128(qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
q1 = _mm_cvtsi32_si128(qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
q2 = _mm_cvtsi32_si128(qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
q3 = _mm_cvtsi32_si128(qlp_coeff[3]); q3 = _mm_shuffle_epi32(q3, _MM_SHUFFLE(0,0,0,0));
for(i = 0; i < (int)data_len-3; i+=4) {
__m128i summ, mull;
summ = _mm_mullo_epi32(q3, _mm_loadu_si128((const __m128i*)(data+i-4)));
mull = _mm_mullo_epi32(q2, _mm_loadu_si128((const __m128i*)(data+i-3))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
summ = _mm_sra_epi32(summ, cnt);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
}
}
else { /* order == 3 */
__m128i q0, q1, q2;
q0 = _mm_cvtsi32_si128(qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
q1 = _mm_cvtsi32_si128(qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
q2 = _mm_cvtsi32_si128(qlp_coeff[2]); q2 = _mm_shuffle_epi32(q2, _MM_SHUFFLE(0,0,0,0));
for(i = 0; i < (int)data_len-3; i+=4) {
__m128i summ, mull;
summ = _mm_mullo_epi32(q2, _mm_loadu_si128((const __m128i*)(data+i-3)));
mull = _mm_mullo_epi32(q1, _mm_loadu_si128((const __m128i*)(data+i-2))); summ = _mm_add_epi32(summ, mull);
mull = _mm_mullo_epi32(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
summ = _mm_sra_epi32(summ, cnt);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
}
}
}
else {
if(order == 2) {
__m128i q0, q1;
q0 = _mm_cvtsi32_si128(qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
q1 = _mm_cvtsi32_si128(qlp_coeff[1]); q1 = _mm_shuffle_epi32(q1, _MM_SHUFFLE(0,0,0,0));
for(i = 0; i < (int)data_len-3; i+=4) {
__m128i summ, mull;
summ = _mm_mullo_epi32(q1, _mm_loadu_si128((const __m128i*)(data+i-2)));
mull = _mm_mullo_epi32(q0, _mm_loadu_si128((const __m128i*)(data+i-1))); summ = _mm_add_epi32(summ, mull);
summ = _mm_sra_epi32(summ, cnt);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
}
}
else { /* order == 1 */
__m128i q0;
q0 = _mm_cvtsi32_si128(qlp_coeff[0]); q0 = _mm_shuffle_epi32(q0, _MM_SHUFFLE(0,0,0,0));
for(i = 0; i < (int)data_len-3; i+=4) {
__m128i summ;
summ = _mm_mullo_epi32(q0, _mm_loadu_si128((const __m128i*)(data+i-1)));
summ = _mm_sra_epi32(summ, cnt);
_mm_storeu_si128((__m128i*)(residual+i), _mm_sub_epi32(_mm_loadu_si128((const __m128i*)(data+i)), summ));
}
}
}
}
for(; i < (int)data_len; i++) {
sum = 0;
switch(order) {
case 12: sum += qlp_coeff[11] * data[i-12]; /* Falls through. */
case 11: sum += qlp_coeff[10] * data[i-11]; /* Falls through. */
case 10: sum += qlp_coeff[ 9] * data[i-10]; /* Falls through. */
case 9: sum += qlp_coeff[ 8] * data[i- 9]; /* Falls through. */
case 8: sum += qlp_coeff[ 7] * data[i- 8]; /* Falls through. */
case 7: sum += qlp_coeff[ 6] * data[i- 7]; /* Falls through. */
case 6: sum += qlp_coeff[ 5] * data[i- 6]; /* Falls through. */
case 5: sum += qlp_coeff[ 4] * data[i- 5]; /* Falls through. */
case 4: sum += qlp_coeff[ 3] * data[i- 4]; /* Falls through. */
case 3: sum += qlp_coeff[ 2] * data[i- 3]; /* Falls through. */
case 2: sum += qlp_coeff[ 1] * data[i- 2]; /* Falls through. */
case 1: sum += qlp_coeff[ 0] * data[i- 1];
}
residual[i] = data[i] - (sum >> lp_quantization);
}
}
else { /* order > 12 */
for(i = 0; i < (int)data_len; i++) {
sum = 0;
switch(order) {
case 32: sum += qlp_coeff[31] * data[i-32]; /* Falls through. */
case 31: sum += qlp_coeff[30] * data[i-31]; /* Falls through. */
case 30: sum += qlp_coeff[29] * data[i-30]; /* Falls through. */
case 29: sum += qlp_coeff[28] * data[i-29]; /* Falls through. */
case 28: sum += qlp_coeff[27] * data[i-28]; /* Falls through. */
case 27: sum += qlp_coeff[26] * data[i-27]; /* Falls through. */
case 26: sum += qlp_coeff[25] * data[i-26]; /* Falls through. */
case 25: sum += qlp_coeff[24] * data[i-25]; /* Falls through. */
case 24: sum += qlp_coeff[23] * data[i-24]; /* Falls through. */
case 23: sum += qlp_coeff[22] * data[i-23]; /* Falls through. */
case 22: sum += qlp_coeff[21] * data[i-22]; /* Falls through. */
case 21: sum += qlp_coeff[20] * data[i-21]; /* Falls through. */
case 20: sum += qlp_coeff[19] * data[i-20]; /* Falls through. */
case 19: sum += qlp_coeff[18] * data[i-19]; /* Falls through. */
case 18: sum += qlp_coeff[17] * data[i-18]; /* Falls through. */
case 17: sum += qlp_coeff[16] * data[i-17]; /* Falls through. */
case 16: sum += qlp_coeff[15] * data[i-16]; /* Falls through. */
case 15: sum += qlp_coeff[14] * data[i-15]; /* Falls through. */
case 14: sum += qlp_coeff[13] * data[i-14]; /* Falls through. */
case 13: sum += qlp_coeff[12] * data[i-13];
sum += qlp_coeff[11] * data[i-12];
sum += qlp_coeff[10] * data[i-11];
sum += qlp_coeff[ 9] * data[i-10];
sum += qlp_coeff[ 8] * data[i- 9];
sum += qlp_coeff[ 7] * data[i- 8];
sum += qlp_coeff[ 6] * data[i- 7];
sum += qlp_coeff[ 5] * data[i- 6];
sum += qlp_coeff[ 4] * data[i- 5];
sum += qlp_coeff[ 3] * data[i- 4];
sum += qlp_coeff[ 2] * data[i- 3];
sum += qlp_coeff[ 1] * data[i- 2];
sum += qlp_coeff[ 0] * data[i- 1];
}
residual[i] = data[i] - (sum >> lp_quantization);
}
}
}
#endif /* FLAC__SSE4_1_SUPPORTED */
#endif /* (FLAC__CPU_IA32 || FLAC__CPU_X86_64) && FLAC__HAS_X86INTRIN */
#endif /* FLAC__NO_ASM */
#endif /* FLAC__INTEGER_ONLY_LIBRARY */
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